DC Motors A dc motor can be easily identified by Commutator Size of conductor Winding Yoke Commutator Size of conductor Winding Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half Twice One-third None of the listed here Half Twice One-third None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load is constant None of these Where load changes frequently Where constant operating speed is needed Where load is constant None of these Where load changes frequently Where constant operating speed is needed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Shunt motor Series motor Cummulative compound motor Differentially compound motor Shunt motor Series motor Cummulative compound motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will run at very slow speed Motor will run at very high speed Motor will not run at all Motor will burn Motor will run at very slow speed Motor will run at very high speed Motor will not run at all ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Speed Flux Armature current Field and armature resistance Speed Flux Armature current Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
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